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Tci Auto

TCI Machined 168-Tooth Flexplate 399853 Flexplate, 168-Tooth, Internal Engine Balance, 1-Piece Rear Main Seal, SFI 29.2, Chevy, Each

SKU: TCI399853

Flexplates
TCI Machined 168-Tooth Flexplate 399853 Flexplate, 168-Tooth, Internal Engine Balance, 1-Piece Rear Main Seal, SFI 29.2, Chevy, Each

Tci Auto

TCI Machined 168-Tooth Flexplate 399853 Flexplate, 168-Tooth, Internal Engine Balance, 1-Piece Rear Main Seal, SFI 29.2, Chevy, Each

SKU: TCI399853

Flexplates
A$1,094.60
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: This will not fit 1999-2000 6.0L applications with 0.400 in. extended crank flange and came with flat flexplate. This will not fit 1999-2000 4.8L applications that originally came with a manual transmission.

For serious performance, TCI machined SFI-approved flexplates are a "must have". These .140 in. thick flexplates are constructed of A514 Blanchard ground steel and are SFI 29.1 approved. TCI offers a complete line of Chrysler and Ford flexplates with GM and Ford bolt patterns for use with their adapter plate kits as well as neutral balanced flexplates with 168-tooth and 166-tooth starter rings for Chevy and Pontiac applications. Now you can speed down the track with the confidence of TCI machined SFI-approved flexplates.

Part Type

Flexplate SFI 168 Tooth GM LS Internal Balance

Data: v4.2 - Upd: 2026-09-30 16:40:39

Specifications

Product Attributes - Brand
TCI Auto
Product Attributes - Manufacturer's Part Number
399853
Product Attributes - Part Type
Flexplates
Product Attributes - Product Line
TCI Machined Flexplates
Product Attributes - UPC
788120087162
Product Attributes - Ring Gear Tooth Quantity
168-tooth
Product Attributes - Flexplate Diameter (in.)
14.00
Product Attributes - Rear Main Seal Style
1-piece
Product Attributes - Engine Balance
Internal
Product Attributes - Flexplate Material
Steel
Product Attributes - SFI Rating
SFI 29.2
Product Attributes - Marine Use
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
This will not fit 1999-2000 6.0L applications with 0.400 in. extended crank flange and came with flat flexplate. This will not fit 1999-2000 4.8L applications that originally came with a manual transmission.

Reference Information

Brand Name/s Tci Auto
StreetFX SKU tci399853
SFX Item ID 5058955
Supplier Item Code 5058955
Manufacturer SKU 399853
Manufacturer UPC 788120087162
Alternative References 168-Tooth, 1-Piece

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1998
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern11.063 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2004
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Converter Bolt Pattern11.063 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year2001
    Ending Year2006
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern11.063 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year2001
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
  • MakeCHEVROLET
    Beginning Year2001
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
  • MakeCHEVROLET
    Beginning Year2001
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM350
    Application NotesDoes not fit engines with cast iron cylinder heads.
  • MakeCHEVROLET
    Beginning Year2001
    Ending Year2009
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8
    Application NotesDoes not fit engines with cast iron cylinder heads.
  • MakeCHEVROLET
    Beginning Year2001
    Ending Year2010
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Converter Bolt Pattern11.063 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeTHM700-R4/4L60/MD8

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